726
FNUS75 KGJT 121223
FWSGJT

Spot Forecast for SPEIRS...USFS
National Weather Service Grand Junction CO
623 AM MDT Mon Aug 12 2024

Forecast is based on forecast start time of 0700 MDT on August 12.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Expect another day of scattered to numerous storms
developing over the Uintas and tracking near or over the fire
area. Storms will be capable of moderate to heavy rain, gusty
outflow winds to 40 mph, small hail and frequent lightning. Active
weather continues Tuesday as a strong disturbance moves through.
Conditions begin to dry out mid to late week as high pressure
builds to the west of the region following the storm system on
Tuesday.

.REST OF TODAY...

Sky/weather.........Partly sunny (50-60 percent) then becoming
                    cloudy (90-100 percent). Scattered rain showers
                    and isolated thunderstorms in the morning, then
                    rain showers and numerous thunderstorms in the
                    afternoon.
CWR.................70 percent.
Max temperature.....77-82.
Min humidity........34-39 percent.
Wind (20 ft)........South winds 8 to 12 mph with gusts to 25 mph in
                    the afternoon. Gusty and erratic winds
                    expected near thunderstorms.
Haines Index........3 or very low.
LAL.................1 until 0900, then 3 until 1200, then 4 until
                    1300, then 5.
Mixing height.......4300 ft AGL increasing to 7100 ft AGL in the
                    afternoon by peak heating.
Transport winds.....Southwest 13 mph.
Clearing Index......430 increasing to 1050 in the afternoon.

.TONIGHT...

Sky/weather.........Cloudy (85-95 percent). Rain showers and
                    numerous thunderstorms in the evening, then
                    scattered showers and thunderstorms overnight.
CWR.................80 percent.
Min temperature.....50-55.
Max humidity........94-99 percent.
Wind (20 ft)........Southwest winds 8 to 12 mph with gusts to 25 mph
                    in the early evening, becoming downslope/downvalley
                    8 to 12 mph overnight. Gusty and erratic winds
                    expected near thunderstorms.
Haines Index........3 or very low.
LAL.................5 until 2100, then 4 until 0300, then 3.
Mixing height.......2200 ft AGL.
Transport winds.....Southwest 11 mph.
Clearing Index......270.

.TUESDAY...

Sky/weather.........Partly sunny (60-70 percent) then becoming
                    cloudy (95-100 percent). Scattered showers and
                    thunderstorms in the morning, then rain showers
                    and numerous thunderstorms in the afternoon.
CWR.................80 percent.
Max temperature.....71-76.
Min humidity........45-50 percent.
Wind (20 ft)........Southwest winds 8 to 12 mph with gusts to 25 mph
                    in the afternoon. Gusty and erratic winds
                    expected near thunderstorms.
Haines Index........3 or very low.
LAL.................1 until 0900, then 4 until 1200, then 5.
Mixing height.......Increasing to 4700 ft AGL by peak heating in the
                    afternoon.
Transport winds.....Southwest 17 mph.
Clearing Index......1000.

$$
Forecaster...Matt Aleksa
Requested by...Tom Wilson
Type of request...WILDFIRE
.TAG 2419856.5/GJT
.DELDT 08/12/24
.FormatterVersion 2.0.0
.EMAIL utubc@firenet.gov